No problem, we've got 6539 and 1638 to multiply
6539 × 1638 = 1638 × (6539)
+ 1638 × 9 producing 14742
+ 1638 × 30 that is equal 49140
+ 1638 × 500 that equals 819000
+ 1638 × 6000 resulting in 9828000

= 10710882
